Write a system of two equations using x and y in each for the following. The sum of two numbers is 170 and their difference is 26. Find the two numbers.

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Write a system of two equations using x and y in each for the following. The sum of two numbers is 170 and their difference is 26. Find the two numbers.

Mathematics
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no u
lol
pleeeeeaseeeeeeeeeee? I am having to retake all this :p And i dont remember a thing!! Its from the begining of the year :P

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x+y=170 x-y=26 __________ So x=26+y 26+y+y=170 solve for y, plug and chug the first eqn to get x
wat???
woops messed up.
O.o
i don't get it
nvm no I didn't
You know that x and y together are 170 You know the difference is 26 So you know x or y being added to 26 is y or x respectively (doesnt matter) So you sub that into your first eqn. Then solve.
\[x+y=170\] \[x-y=26\] add to get \[2x=196\] \[x=148\]
x+y=170 and y-x=26 y-x=26 y=26+x x+26+x=170 2x=170-26 2x=144 x=72 x+y=170 72+y=170 y=170-72 y=98
that is the correct answer:)
and since \[x=148\] \[148+y=170\] \[y=170-148=22\]
oops sorry
\[\frac{196}{2}=98\]you are correct and i am wrong.
thank you satellite73. it is okay.
sometimes i have a hard time dividing by 2!
lol, that is why, being careful will help us arrive to the answer correctly.

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